期刊
JOURNAL OF CHEMICAL TECHNOLOGY AND BIOTECHNOLOGY
卷 88, 期 3, 页码 346-352出版社
WILEY-BLACKWELL
DOI: 10.1002/jctb.3996
关键词
lignin; biorefinery; separation; characterization; valorization; NMR
类别
资金
- National Science Foundation of China [31110103902]
- Major State Basic Research Projects of China [973-2010CB732204]
- State Forestry Administration [20100400706]
Lignin, a major component of the cell wall of vascular plants, has long been recognized for its negative impact and treated as a by-product in a biorefinery. This highly abundant by-product of the biorefinery is undervalued and underdeveloped due to its complex nature. The development of value-added products from lignin would greatly improve the economics of the biorefinery. The inherent properties of lignin significantly affect the productivity of the biorefinery processes and its potential applications. Although the structure and biosynthetic pathway of lignin have been studied for more than a century, they have not yet been completely elucidated. In this mini-review, the primary obstacles to elucidating the structure of native lignin, including separation and characterization, are highlighted. Several classical methods for separation and various NMR techniques, especially 2D HSQC NMR, for characterization of lignin are reviewed. Some potential applications of lignin are introduced. It is believed that a knowledge of the method to separate lignin from the cell wall and structural features of the lignin polymer from lignocellulosic materials will help to maximize the exploitation of lignocelluloses for the biorefinery as well as the utilization of lignin for novel materials and chemicals. (c) 2012 Society of Chemical Industry
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